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<blockquote data-quote="ralphmagno" data-source="post: 641978" data-attributes="member: 189146">well&nbsp; here is the problem.each satellite receiver like a free box has a mini tv transmitter inside called a modulator.these modularor output can be programed to send a analog signal from channel 21 to channel 68.if you has 3 free to view satellite receivers one on bbc1 one on bbc2 and one on itv and each modulator was on a different frequency like channel 21 channel 23 and channel 25 then you could loop these 3 receivers to all 9 tv sets in the house.but you could never change the channel on the receiver because if you were to channel the channel on the bbc1 receiver to lets say sky news then all the tv sets would pick up the sky news and not bbc 1 untill you switch back.you could set up 3 sky boxes as well using this idea .you would have to pay for 3 subscriptions and all 9 tv sets could watch what ever&nbsp; channel the 3 boxes were siting on.this would be in affect a mini head end.for 9 tv sets to watch whatever they want without many boxes is not possible.head ends are set up like this as well.10 satellite receivers were set up in hotels of 175 rooms using amplifiers and all 170 tv sets would watch just those 10 tv channels.also in biger smatv systems 20 satellite receivers could sent 21 tv channels to 500 flats as well.ralph<img src="https://www.satellites.co.uk/styles/default/xenforo/smilies/smile.png"&nbsp; class="smilie" loading="lazy" alt=":)" title="Smile&nbsp; &nbsp; :)" data-shortname=":)" /></blockquote>

[QUOTE="ralphmagno, post: 641978, member: 189146"] well here is the problem. each satellite receiver like a free box has a mini tv transmitter inside called a modulator. these modularor output can be programed to send a analog signal from channel 21 to channel 68. if you has 3 free to view satellite receivers one on bbc1 one on bbc2 and one on itv and each modulator was on a different frequency like channel 21 channel 23 and channel 25 then you could loop these 3 receivers to all 9 tv sets in the house. but you could never change the channel on the receiver because if you were to channel the channel on the bbc1 receiver to lets say sky news then all the tv sets would pick up the sky news and not bbc 1 untill you switch back. you could set up 3 sky boxes as well using this idea . you would have to pay for 3 subscriptions and all 9 tv sets could watch what ever channel the 3 boxes were siting on. this would be in affect a mini head end. for 9 tv sets to watch whatever they want without many boxes is not possible. head ends are set up like this as well. 10 satellite receivers were set up in hotels of 175 rooms using amplifiers and all 170 tv sets would watch just those 10 tv channels. also in biger smatv systems 20 satellite receivers could sent 21 tv channels to 500 flats as well. ralph:) [/QUOTE]

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